How the UK recycles millions of dirty old disposable coffee cups

Five planned urban pools set to make a splash

This article was taken from the April 2015 issue of WIRED magazine. Be the first to read WIRED's articles in print before they're posted online, and get your hands on loads of additional content by subscribing online.

From Melbourne to New York, urban dwellers are jumping into the nearest river thanks to improved water quality. Here are five planned urban pools set to make a splash in the big city.